Included folder mapping for iOS Mail Trash folder.

data/conf/dovecot/dovecot.conf

@@ -55,6 +55,9 @@ namespace inbox {
   mailbox "Deleted Items" {
     special_use = \Trash
   }
+  mailbox "Rubbish" {
+    special_use = \Trash
+  }
   mailbox "Gelöschte Objekte" {
     special_use = \Trash
   }